Finding the Third Proportional to 69,326 and 141,931

Step by Step Solution

1. Step 1: Write the proportion equation
   69,326 : 141,931 = 141,931 : x
2. Step 2: Convert to fraction form
   69,326/141,931 = 141,931/x
3. Step 3: Cross multiply
   69,326x = 141,931 × 141,931
4. Step 4: Simplify right side
   69,326x = 20,144,408,761
5. Step 5: Solve for x
   x = 20,144,408,761/69,326
6. Step 6: Final answer
   x = 290,575.09